your heart is a muscle the size of a fist

Title: Loss Prevention (AO3)
Fandom: Captain America (2011)
Characters/Pairings: Steve/Bucky
Rating: R
Warnings:: (skip) Mild violence & accidental swallowing of someone else's blood.
Word Count: 900
Summary: Even before he was a superhero, there were a lot of times that Steve almost died. Bucky's job is to make sure that doesn't happen.
Notes Written for Porn Battle XIII for the prompts "desperate," "trouble," "broken," "strength", and "blood."

( I could have taken them. )